Across
- 2. A resource or a source of action that benefits the entire community
- 4. A wall of earth built to prevent flooding
- 6. A group of city-states in southern Mesopotamia that was a cradle of civilization
- 8. Particles of rock that clog irrigation systems
- 10. The way that a civilization is organized based on status
- 11. A settlement that is like a country with its own government; it controls farmland around it
- 12. A society marked by developed arts, sciences, government, and social structure
- 15. Land between two rivers
- 16. A river to the northeast of the Fertile Crescent
- 17. Valuing one's skills or talents; having value within a community
Down
- 1. A group of people with a sense of belonging who support one another
- 3. A human-made pool used to store water
- 5. A river to the southeast of the Fertile Crescent
- 7. The use of tools and other inventions for practical purposes
- 9. A system of canals for watering fields for farming
- 13. Related to keeping people safe
- 14. A dug out canal around a city to protect it from invaders